Wednesday, Feb. 18 th p. 176, 177

Wednesday, Feb. 18 th 176 2/18/15 Wed. L.T.: I can make a claim and use evidence to describe the relationship of PE and KE by using a computer simulation. DO NOW: An object can possess both PE and KE at the same time. Name 2 examples and explain how this can be. …………………… Reflection: Did I use The Energy Skate Park site to investigate how mass, gravity, friction, and height affect PE and KE? Did I write down my findings? Did I discuss with my partner to write an answer to my main question? 177 Title: Energy Skate Park *Q: What relationship does PE and KE seem to have with one another? What is your evidence? *Claim: *Evidence: Parts Increase ( ) PE KE Decrease( ) PE KE Mass Gravitational pull Friction Height (elevation)

5 th period DO NOW examplesPEKE A MT car/batteryPressure on the bar (spring)/some electrons still waiting to move Still be moving and the bar not all the way down/moving electrons A skydiverThe height (elevation)He or she falling (motion) Falling upward (moving upward) More PE as they move higherUsing it to jump up (motion) Turning on Fan carStored up energy in batteryFan moving (which moves car)

4 th period DO NOW ExamplesPEKE Letting go MT armE is stored up in pulled back arm and is changing into… KE in the motion of the car. KE increases as PE decreases… The instance that the hammer makes the spark “spring” stored energy when its compressed Motion of hammer moving Hope eatingBreaks down chemicals from food into body Hope is moving (chewing) Skateboarding???Wheels are moving

3 rd period DO NOW ExamplesPEKE When a car is going up a mountain Higher in elevation (gravitational); fossil fuels It’s also moving A rock is moving uphill Higher in elevationStill moving A boxer fightingFood – chemical energy Punching, dodging, moving around

2 nd period DO NOW A plane: height – PE, moving – KE A car: driving, moving – KE, fuel – PE Roller coaster (2-5) – KE bc moving, but still PE bc there’s still height Car’s moving down the track or on freeway: Person running on building: moving – KE, high place – PE Person riding a bike uphill and downhill: PE on top of hill, KE on bottom

Laptop Usage: Pair share Only site we are using is the Energy Skate Park Intro site from Ms. Kim’s class site. (Go to Links on my site and search for Energy Skate Park…) There’s 2 – try the intro one first before going onto the advanced one (advanced one won’t open right now…) You are responsible for reporting any damage and liable to any damage that happens while laptop is in your care.